Home / 12,112,239.04-18,175,922.36-8,071,562.12

Finding the Fourth Proportional to 12,112,239.04, 18,175,922.36 and 8,071,562.12

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Solution

The fourth proportional to 12,112,239.04, 18,175,922.36 and 8,071,562.12 is: 12,112,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,239.04 : 18,175,922.36 = 8,071,562.12 : x
  2. Step 2: Convert to fraction form
    12,112,239.04/18,175,922.36 = 8,071,562.12/x
  3. Step 3: Cross multiply
    12,112,239.04x = 18,175,922.36 × 8,071,562.12
  4. Step 4: Simplify right side
    12,112,239.04x = 146,708,086,417,037
  5. Step 5: Solve for x
    x = 146,708,086,417,037/12,112,239.04
  6. Step 6: Final answer
    x = 12,112,383.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.